Linear actuator



FIG. 1 is a first perspective view of a first embodiment of a linear actuator showing my new and ornamental design,

FIG. 2 is a second perspective view thereof,

FIG. 3 is a top plan view thereof,

FIG. 4 is a bottom plan view thereof,

FIG. 5 is a first side view thereof,

FIG. 6 is an opposite, second side view thereof,

FIG. 7 is a front end view thereof; and,

FIG. 8 is a rear end view thereof. 

CLAIM The ornamental design of a linear actuator, as shown and described. 